MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39cc90115bf3ff86da4a7284b54d8f9f59cb8359dd4fa48f7188a1d604bc185b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


ArkeiStealer


Vendor detections: 15


Intelligence 15 IOCs YARA 12 File information Comments
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SHA256 hash: 39cc90115bf3ff86da4a7284b54d8f9f59cb8359dd4fa48f7188a1d604bc185b
SHA3-384 hash: 30058ad3468d0daba474812c77812a4481798322a4a071869f1438921d30969dd865c460d65ad6afaa17e036514a10b0
SHA1 hash: 3c7957cd71ce0eb5305c4f812ace1ab4f31e6de5
MD5 hash: 54d43648a2480eb57eaf4211ecc8f99a
humanhash: orange-missouri-washington-lake
File name:file
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'271'296 bytes
First seen:2023-08-21 08:03:39 UTC
Last seen:2023-08-22 00:36:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:8SNHKi6oraPIIbbGc1e40SKFV5QlRoixAZ3ALy6ffASI:8SNlcGc1iSKFHuejMyHS
TLSH T10C45E11137E69209E979033198BB80B11376FD667B21DBEE1F85230D1D636238F16BA7
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon e6baa4b49a9cb4b0 (1 x ArkeiStealer)
Reporter andretavare5
Tags:ArkeiStealer exe


Avatar
andretavare5
Sample downloaded from https://vk.com/doc647736509_665907394?hash=Tbgp8YRuyW0Ik7duHqkouUmc0IK5x8QVE4E4TcSlDi4&dl=7XXz1b2GjBVmng0sa6TbdaaEQDX4Fbe36TFX4GRlZCH&api=1&no_preview=1#kisvdr

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
US US
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-08-21 08:06:29 UTC
Tags:
arkei stealer vidar trojan
Link:
https://app.any.run/tasks/bf0aa760-5036-4122-8e27-25f0e8a54c19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/443921/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.1648.24243.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Using the Windows Management Instrumentation requests
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/39cc90115bf3ff86da4a7284b54d8f9f59cb8359dd4fa48f7188a1d604bc185b
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d931a1f-d22e-4934-8960-f75aff6d46a1
Result
Threat name:
Clipboard Hijacker, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1294366
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
DLL side loading technique detected
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Clipboard Hijacker
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1294366 Sample: file.exe Startdate: 21/08/2023 Architecture: WINDOWS Score: 100 42 t.me 2->42 44 cdn.discordapp.com 2->44 60 Snort IDS alert for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 10 other signatures 2->66 10 file.exe 3 2->10         started        13 oobeldr.exe 2->13         started        signatures3 process4 signatures5 76 Writes to foreign memory regions 10->76 78 Allocates memory in foreign processes 10->78 80 Injects a PE file into a foreign processes 10->80 15 InstallUtil.exe 33 10->15         started        82 Antivirus detection for dropped file 13->82 84 Multi AV Scanner detection for dropped file 13->84 86 Detected unpacking (changes PE section rights) 13->86 20 schtasks.exe 1 13->20         started        process6 dnsIp7 46 168.119.174.1, 49695, 8080 HETZNER-ASDE Germany 15->46 48 t.me 149.154.167.99, 443, 49694 TELEGRAMRU United Kingdom 15->48 50 cdn.discordapp.com 162.159.129.233, 443, 49696 CLOUDFLARENETUS United States 15->50 32 C:\Users\user\AppData\Local\...\KLIPE[1].exe, MS-DOS 15->32 dropped 34 C:\ProgramData\softokn3.dll, PE32 15->34 dropped 36 C:\ProgramData\nss3.dll, PE32 15->36 dropped 38 5 other files (3 malicious) 15->38 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54 56 DLL side loading technique detected 15->56 58 2 other signatures 15->58 22 37726553867664220651.exe 1 15->22         started        26 conhost.exe 20->26         started        file8 signatures9 process10 file11 40 C:\Users\user\AppData\Roaming\...\oobeldr.exe, MS-DOS 22->40 dropped 68 Antivirus detection for dropped file 22->68 70 Multi AV Scanner detection for dropped file 22->70 72 Detected unpacking (changes PE section rights) 22->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 22->74 28 schtasks.exe 1 22->28         started        signatures12 process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39cc90115bf3ff86da4a7284b54d8f9f59cb8359dd4fa48f7188a1d604bc185b/
Threat name:
Win32.Trojan.Privateloader
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Status:
Malicious
First seen:
2023-08-21 08:04:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hhgjaek36p7ynwskokclktmpt5m4xa2z3vh2jd3rrcq5mbf4dbnq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:fc739d10ffb375b8b62b035974e9646d spyware stealer
Link:
https://tria.ge/reports/230821-jx9hbsbf82/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Loads dropped DLL
Vidar
Malware Config
C2 Extraction:
https://t.me/odyssey_tg
https://steamcommunity.com/profiles/76561199541261200
Unpacked files
SH256 hash:
82e4645eacd404cb8d2686ef1f19827ede8858fb633d2a292c3a1d7c750a8250
MD5 hash:
a43ecb04f62f09dfc6ccfaa7f5298801
SHA1 hash:
c5176399c6886aa3ceaa07ef258e59aa9477a2c1
Link:
https://www.unpac.me/results/3e889669-36a2-4317-8d4c-a93f7a6a4fda/
SH256 hash:
ff056cbf02874988080de067ce28c2488c301d31c3fe6fd742b52475f59fa239
MD5 hash:
84dfd29054c430db6b15c023397a09dd
SHA1 hash:
8869d1da0b29f73ee437f43c9965e2b8e519e5a2
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/3e889669-36a2-4317-8d4c-a93f7a6a4fda/
SH256 hash:
65e47578274d16be1be0f50767bad0af16930df43556dd23d7ad5e4adc2bcbe3
MD5 hash:
848b847cd19805d19235b5acb8ef2bef
SHA1 hash:
38100751a4ae45a143232cbacf9bb441b31fb211
Link:
https://www.unpac.me/results/3e889669-36a2-4317-8d4c-a93f7a6a4fda/
SH256 hash:
39cc90115bf3ff86da4a7284b54d8f9f59cb8359dd4fa48f7188a1d604bc185b
MD5 hash:
54d43648a2480eb57eaf4211ecc8f99a
SHA1 hash:
3c7957cd71ce0eb5305c4f812ace1ab4f31e6de5
Link:
https://www.unpac.me/results/3e889669-36a2-4317-8d4c-a93f7a6a4fda/
Malware family:
Vidar.A
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/39cc90115bf3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/39cc90115bf3ff86da4a7284b54d8f9f59cb8359dd4fa48f7188a1d604bc185b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Links
Create hunting rule
Rule name:Vidar
Create hunting rule
Author:kevoreilly,rony
Description:Vidar Payload
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/443921/

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